Philips BJ3.1A LA Manual page 68

Circuit Diagrams and PWB Layouts
SSB: MPIF Main: IF & SAW Filter
1C51 A5 2AB4 B9 2C52 A1 2C58 B8 2C67 C6 2C75 B7
1C52 C5 2AB8 C9 2C53 A1 2C60 B1 2C68 C8 2C78 C6
1C53 D5 2C50 A5 2C55 B7 2C63 B6 2C70 D2 2C79 C8
1C54 A10 2C51 B10 2C57 B7 2C65 C9 2C72 E2 2C83 D6
1 2
MPIF MAIN: IF + SAW FILTER
B3C
A
+8VMPIF-MAIN
IC51
5C52
+8VaM
220R
5C58
30R
+5VMPIF-MAIN
B
IC52
+5VaM
C
*
2C70
FC73
IF-TER2
10n
*
D
IC56
3C60
SEL-IF-LL2 9C58
27K
*
E
3104 313 6073.5
1 2
BJ3.1A LA
2C84 B3 3C51 A6 3C58 D4 3C63 D7 3C70 A9 3C74 C10
2C85 B4 3C53 B7 3C59 D3 3C65 D3 3C71 B9 3C75 C10
2C86 B4 3C56 D2 3C60 E1 3C66 D4 3C72 B10 3C76 A9
3C50 D3 3C57 D2 3C61 E4 3C67 E2 3C73 B9 3C77 A9
3 4
2
9C51 * 3
1
9C52 * 4
IC85
5
6
9
10
13
14
15
18
2C84 2C85
3C80 * * *
IC48
33R 220p 68p
5C70 *
VALUE *
8
FC10
7
38M9
*
9C53 2
3
1
4
5
6
IC55
9C54 *
9
10
AC05
13
IC84
9C56 * 14
15
18
9C57 *
IC49
+8VaM
6C51 * IC74
BA591 +8VaM
IC54
+8VaM
* *
*
* *
2
3
3C59 IC57
*
1
7C53 *
BC847BW 4
22K
* 5
*
7C54 * 6
BC847BW
9
10
+8VaM
13
14
15
18
IC58
7C55 *
BC847BW
3 4
7. 68
3C80 B3 5C54 B1 5C58 A1 6C51 D4 7C54 E3 7C57 A9
5C51 A6 5C55 C9 5C59 B1 6C52 D3 7C55 E2 9C51 A4
5C52 A1 5C56 C9 5C60 A7 7C00-2 B7 7C56-1 B10 9C52 A4
5C53 B7 5C57 D2 5C70 B3 7C53 D4 7C56-2 B9 9C53 C4
5 6
5C51
+5VTUN_MPIF
* 30R
40M4 1C51
2C50 *
7
I O1
8
ISWI O2 10n
3C51
+5VMPIF-MAIN
11
OFWK9656L 4R7
12
NC 16
17
GND
IC75
+5VbM
IC59
2C63
3C53
390R
100n
* 1C52
AC01
7
I1 O1
8
AC02
I2 O2
AC03
11
12
AC04
NC 16
17
GND
OFWK3953L
FC52
9C61
2NDSIFEXTM
*
1C53
38M
7
I1 O1
8
I2 O2
11
12
NC 16
17
GND
OFWK3955L
5 6
9C54 C4 9C61 C7 AC04 C6 FC52 C6 IC48 B4 IC54 D3
9C56 C4 AC01 C6 AC05 C4 FC73 D1 IC49 C4 IC55 C3
9C57 C4 AC02 C6 FA46 D7 IC13 B8 IC51 A1 IC56 D2
9C58 E2 AC03 C6 FC10 B3 IC14 C8 IC52 B1 IC57 D4
7 8
+5VbM
1
IC76
5C60
30R
5C53
220R
IC72
IC88
2C58
10n
IC86
IC87
7C00-2
PNX3000HL/N2
IC60
IC13
111 120
VIFPLL CVBSOUTIF
IC14
107 IF PART 116
VIFINP DTVOUTP
108 117
VIFINN DTVOUTN
99
SIFINP
122
+5VaM
VCC1_VSW
100
IC63
SIFINN
118
VCC_SUP
IC61
101
125
SIFAGC VCC2_VSW +5VaM
IC64
114
2NDSIFAGC
105
TUNERAGC
102
DTVIFAGC
113
2NDSIFEXT
IC65
106
FUSE4
FA46
3C63
100R
7 8
IC58 E2 IC63 C9 IC74 D4 IC78 C10 IC85 A4
IC59 B7 IC64 C8 IC75 B6 IC79 B9 IC86 B8
IC60 B7 IC65 C8 IC76 A9 IC80 B9 IC87 B8
IC61 C7 IC72 B7 IC77 A9 IC84 C4 IC88 B8
9 10
B3C
3
A
7C57
BC847BW
1C54
3C77
2 1 3
2NDSIFEXTM
I O
IC77 1K0
2
GND
SFSKA
+5VbM
2C51
6
3C71 IC80 100n
2 7C56-1
BC847BS
100R
1
CVBS-TER-OUT
B
+5VbM
BC847BS
3
7C56-2 CVBSOUTIF-MAIN
3C73 IC79
5
IC78
100R
3C74 3C75
4
180R 180R
5C55
C
+5VTUN_MPIF
30R
5C56
220R
D
AGC2
E
G_15960_023.eps
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9 10